The watch mechanism of the Sparc Sigma MGS, which uses a micro-generator system (MGS), is powered from the energy yielded by the movement of its wearer. The varying heights of the time module and the MGS, as well as their asynchronous arrangement, were adjusted to each other with great meticulousness in order to create a harmonious unit. Despite its design-related size, the watch is very comfortable to wear on the wrist.

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